Posted on 05/16/2018 4:39:59 PM PDT by Simon Green
By the way, your ammo picks sound pretty good to me. The light AR rounds are usually over stabilized with fast spin rate, but would do OK out to 100-150 yards. My Ruger Ranch Rifle likes 75 gr the best for longer ranges.
Modern bullets cannot be over-stabilized for the most part (meaning spun to the point of losing accuracy/becoming gyroscopically unstable). True, varmint/thin jacketed or plated bullets can be made to come apart with too great a twist rate, but anything else- not so much.
Accuracy degradation in the old days from poorly made non-uniform bullets indeed caused inaccuracy, but run a modern match 52-90 grain BTHP from any manufacturer down to a 1/6.5 twist and they drill accurate and precise holes.
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